#define BUTTON_PIN 4

//OLED
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1); 


void setup() {

  
  Serial.begin(9600);
  pinMode(BUTTON_PIN, INPUT_PULLUP);



  // initialize OLED display with address 0x3C for 128x64
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    while (true);
  }

  delay(2000);     
  
      

  
}












void loop()
{
  int val = 1;
  val = digitalRead(BUTTON_PIN);

  Serial.println(val);
  delay(10);

  

  if(val == 1){

     // clear display
    

    oled.clearDisplay();
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setCursor(0, 10); 
    oled.println("Button NOT Pressed");
    oled.display();

    
  } else if (val == 0){
    oled.clearDisplay();
    oled.setTextSize(1);          // text size
    oled.setTextColor(WHITE);     // text color
    oled.setCursor(0, 10);        // position to displa
    oled.println("Button Pressed"); // text to display
    oled.display();   
  }
  

  



}